SECTION 1.   Section 3 of Chapter 22c of the General Laws as appearing in the 2006 official edition is hereby amended by adding after section 3, the following section:-   

Section 3A.  (a)  The Colonel shall have full responsibility and primary jurisdiction for the administration and enforcement of the laws, and for the investigation of traffic accidents, on all state and county roads and highways.  (b)  State police officers shall have full responsibility and primary jurisdiction for the administration and enforcement of the laws and regulations of the Commonwealth, arising out of any incident occurring on state and county roads and highways.  Municipal police officers, while engaged primarily in general law enforcement duties, may incidentally enforce state and local traffic laws and ordinances on state roads and highways.   (c)  The Colonel shall assume the duties and responsibilities of providing protection to state property and employees.